Meaning of CHORD in English
■ noun a group of notes (usually three or more) sounded together in harmony.
■ verb [usu. as noun ~ing ] play, sing, or arrange notes in ~s.
ME cord , from accord ; the spelling changed due to confusion with ~ 2 .
1》 a straight line joining the ends of an arc.
2》 Aeronautics the width of an aerofoil from leading to trailing edge.
3》 Engineering each of the two principal members of a truss.
4》 Anatomy variant spelling of cord .
5》 literary a string on a harp or other instrument.
strike (or touch ) a ~ affect or stir someone's emotions.
C16: a later spelling (influenced by L. ~a 'rope') of cord .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004